…They are divided into two groups: the relatively primitive group (the suborder Anura) and the relatively new group (the suborder Anura). The first examples of the Anura include the Leiopelmatidae of New Zealand, which have only vestigial tail-moving muscles remaining in adults, and the Ascaphidae of the northwestern United States. The former are also called "living fossils," and the larvae of the Ascaphidae survive metamorphosis in the eggs and emerge, but their tails remain for a while. *Some of the terminology that mentions "Leiopelmatidae" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…それらは比較的原始的なグループ(ムカシガエル亜目)と,比較的新しいグループ(カエル亜目)に大別される。 ムカシガエル亜目には成体に尾を動かす筋肉が痕跡的に残存するニュージーランド産のリオペルマ科Leiopelmatidaeと,アメリカ合衆国北西部産のオガエル科Ascaphidaeとがまずあげられる。前者は〈生きた化石〉ともいわれ,幼生は卵の中で変態を終えて出てくるが,尾がしばらく残っている。… ※「Leiopelmatidae」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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